Enzymatic Browning and Its Prevention - American Chemical Society

Enzymatic Browning and Its Prevention

Nippon Del Monte Corporation, 251. Nishikyushu ... Apple browning susceptibility, influencing factors, 144- ... Apple polyphenol oxidase, effect of cyclodextrin on ...

Enzymatic Browning and Its Prevention

function and production, 31. H. H202-horseradish peroxidase system, interaction with kojic acid, 288-290/. H2S, inhibitor of tyrosinase, 78. Half-mettyrosinase copper active site structure, 73,74/ ligand interaction, 73-74. Heat inactivation, role in

Enzymatic Browning and Its Prevention - American Chemical Society

crude or partially purified enzyme solutions in difference spectrophotometric ... apple. (Malus Pumila Mill.), sweet pepper (Capsicum annuum L.), eggplant ( ...


0-quinones and further reaction leads to melanin, brown pigments. Some of ... 52,000 unit/mg) in 0.17 M boric acid buffer at a weight ratio of 1:30 to linoleic acid. ... CERPs obtained at the early stages of the reaction showed a similar spectral.


vulgaris was a gift from E. Funkhouser (Texas A&M Univ., College Station, TX). ... Artemisia vulgaris was a gift from S. Weller (Purdue Univ., West Lafayette, IN). ... in cold (0-4Â°C) 0.1 M sodium cacodylate buffer, pH 7.2, containing 0.1% (w/v) ...


Inhibition of catecholase as a means of prevention of enzymic browning is ..... selectively inhibited by quaternary ammonium compounds such as CTAB (14); the.


The role of enzymically generated caffeoyltartaric acid quinones in ... nm in the visible region (6, 7). ... flavan-3-ols (catechin, epicatechin and their derivatives) (17-20), flavonols (21 ... solutions consisting of 0.013 M potassium hydrogen tart


1Department of Food Science and Nutrition, Pusan National University,. Pusan ... 0-quinones and further reaction leads to melanin, brown pigments. Some of ... catechin solution (2 mM) in Mc'Ilvaine's citric acid-phosphate buffer (0.02 M, pH ... 48 hr


processed apple products. Basically, enzymatic browning can be defined as an initial enzymic oxidation of phenolic compounds into slightly colored quinones,.


function to PPO in the higher plant chloroplast is a result of its imprecise subcellular localization. .... is in contrast to the earlier suggestion that PPO was uniquely synthesized as a ... Namely, an amino-terminal domain rich in the hydroxy-amino

Enzymatic Browning and Its Prevention - American Chemical Society

Recommend Documents